400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=D. Junii Juvenalis Sexdecim satirae, ad codices Parisinos recensitae, cum interpretatione latina, lectionum varietate, notis Rupertianis, excursibus et indice absoluto, quibus plurima subjunxit additamenta N.-E. Lemaire juvénal lemaire because the request was invalid.

This might be because the link was created a long time ago. Try your search again on Google. That’s all we know.